When to Plant Gomphrena in Zone 11a

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when you can plant gomphrena by looking at the USDA zone info for Zone 11a.


Planting Calendar for Gomphrena

Frost tolerance for gomphrena: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

You can plant gomphrena slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant gomphrena
Possibly ok, but a risky time to plant gomphrena
Probably not a good time to plant gomphrena

The earliest that you can plant gomphrena in Zone 11a is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant gomphrena and expect a good harvest is probably November. If you wait any later than that and your gomphrena may not have a chance to really do well. You can get started a little bit earlier by starting your gomphrena indoors.

Last Frost Date

In Zone 11a it never frosts. In the coldest months of winter you should expect an average low temperature of 40°F.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Zone 11a and it will vary from year to year. Since it never frosts in Zone 11a you do not have to be ready to protect your gomphrena if you have a late frost.

USDA Zone Info for Zone 11a

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low40°F
Highest Expected Low45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Zone 11a

You may be interested in your other planting guides for Zone 11a.